Home / 25,335.92-34,966.52-21,079.47

Finding the Fourth Proportional to 25,335.92, 34,966.52 and 21,079.47

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Solution

The fourth proportional to 25,335.92, 34,966.52 and 21,079.47 is: 29,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335.92 : 34,966.52 = 21,079.47 : x
  2. Step 2: Convert to fraction form
    25,335.92/34,966.52 = 21,079.47/x
  3. Step 3: Cross multiply
    25,335.92x = 34,966.52 × 21,079.47
  4. Step 4: Simplify right side
    25,335.92x = 737,075,603.95
  5. Step 5: Solve for x
    x = 737,075,603.95/25,335.92
  6. Step 6: Final answer
    x = 29,092.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.